The ABCs of HMIs

Sept. 18, 2013
Understanding the problems associated with HMIs and learning how to fix them.

Problems abound in most human-machine interface (HMIs) designs in use today, many of which are the result of powerful software that made it perhaps too easy to create overly complex graphics that don't connect with the operator as effectively as they might.

John Krajewski, director of product management, HMI/supervisory, for Invensys' Wonderware brand, began his presentation on how to improve operator situational awareness by outlining more of the problems typical of today's HMIs: alarm strategies that are poorly defined and managed; screens based on piping and instrumentation diagrams (P&IDs) that don't support troubleshooting of upset conditions; screens that convey little awareness of how well the process is running and little warning if the process happens to be drifting toward a disruptive alarm.

Read the whole story on Control Global

Sponsored Recommendations

Arc Flash Prevention: What You Need to Know

March 28, 2024
Download to learn: how an arc flash forms and common causes, safety recommendations to help prevent arc flash exposure (including the use of lockout tagout and energy isolating...

Reduce engineering time by 50%

March 28, 2024
Learn how smart value chain applications are made possible by moving from manually-intensive CAD-based drafting packages to modern CAE software.

Filter Monitoring with Rittal's Blue e Air Conditioner

March 28, 2024
Steve Sullivan, Training Supervisor for Rittal North America, provides an overview of the filter monitoring capabilities of the Blue e line of industrial air conditioners.

Limitations of MERV Ratings for Dust Collector Filters

Feb. 23, 2024
It can be complicated and confusing to select the safest and most efficient dust collector filters for your facility. For the HVAC industry, MERV ratings are king. But MERV ratings...